Proper engine oil - '05 Deuce

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Jun 8, 2015 | 07:43 PM

Brunkster

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Joined: Mar 2014

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From: Ft Myers, Florida

Proper engine oil - '05 Deuce

I'm getting ready to do my first oil change on my Deuce and the manual says (of course) to use ONLY Harley-Davidson oil. Now, I know they're in the business of selling add-ons and I'm sure the H-D oil is wonderful and if that is truly the only thing I should put in my bike, I will. But, I also know every manufacturer recommends THEIR oil. Ford, Chevy, Mercury Marine, Stihl chainsaws, and Onan generators . . . all of 'em - I get it.

What should I use?

Jun 8, 2015 | 07:44 PM

Tampa Fatboy

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Joined: Feb 2012

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From: Sunshine State

It's out of warranty, now you get to decide depending on the area you live and the temps.

Jun 8, 2015 | 07:54 PM

streeteagle

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Joined: Feb 2007

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From: Haymarket, VA

I've been using Mobil-1 20W-50 v-twin synthetic oil since the getgo in my '07 Deuce, 43K & runs like a top.

Last edited by streeteagle; Jun 8, 2015 at 07:57 PM.

Jun 8, 2015 | 08:49 PM

Brunkster

Thread Starter

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Joined: Mar 2014

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From: Ft Myers, Florida

Quote:

Originally Posted by streeteagle

I've been using Mobil-1 20W-50 v-twin synthetic oil since the getgo in my '07 Deuce, 43K & runs like a top.

Thanks - Very nice bike, by the way.

Jun 8, 2015 | 11:05 PM

dfwhockey17

Outstanding HDF Member

Joined: May 2014

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From: Fort Worth, TX

Have a look...
https://www.hdforums.com/forum/oil-a...your-bike.html

Jun 8, 2015 | 11:30 PM

ynots

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Joined: Apr 2010

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From: Southern Oregon

Quote:

Originally Posted by Tampa Fatboy

It's out of warranty, now you get to decide depending on the area you live and the temps.

They cant void your warranty just because your using an oil can that doesnt have HD on it. As long as your using the proper api & wt use any brand you like. Whats more important is changing it at a proper interval. Ive been using mobile1 20/50

Jun 9, 2015 | 01:10 AM

Next In Line

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Joined: May 2013

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From: Home

Quote:

Originally Posted by ynots

I've had my warranty void due to the use of SE parts which happened to be installed by the dealer before delivery. No Magnuson–Moss Warranty Act outside the USA.